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GlossaryMicropenis

abnormally small penis, often due to hormonal or genetic factors

Micropenis is a medical term referring to an abnormally small penis, typically defined as a stretched penile length of more than 2.5 standard deviations below the mean for age and stage of development. This condition can be caused by hormonal imbalances, genetic factors, or developmental issues, and it may be associated with other health conditions.

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Research

5 / 142 results

research Effects of pre- and post-pubertal dihydrotestosterone treatment on penile length in 5α-reductase type 2 deficiency

13 citations , January 2019 in “Endocrine journal”

Dihydrotestosterone treatment can help penis growth in boys with 5α-reductase deficiency but doesn't fully normalize size after puberty.

research Exploring the efficacy of testosterone undecanoate in male children with 5α‐reductase deficiency

5 citations , December 2021 in “Pediatric investigation”

Testosterone undecanoate safely and effectively increased penis size in male children with 5-alpha-reductase deficiency.

research SAT-148 Late Diagnosis of Klinefelter Syndrome: Overcoming Phenotypic Variability and Diagnostic Oversights

October 2025 in “Journal of the Endocrine Society”

Early physical exams are crucial for timely Klinefelter syndrome diagnosis.

Delayed Puberty: Diagnosis and Management of Congenital Idiopathic Hypogonadotropic Hypogonadism

research Delayed Puberty

January 2016 in “Springer eBooks”

A 19-year-old male with delayed puberty was successfully treated for a condition that prevents normal hormone production.

research Disorders linked to insufficient androgen action in male children

July 2001 in “APMIS. Acta pathologica, microbiologica et immunologica Scandinavica./APMIS”

Male children's genital development issues can be caused by genetic mutations or environmental factors affecting hormone action.

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community Balding, short, small penis. What is the point of living…

in Treatment 405 upvotes 5 years ago

A 24 year old male struggling with the physical and mental effects of balding, being short, and having a micropenis. Suggested treatments include taking medications such as finasteride and minoxidil, lifting weights, and trying not to compare himself to others.

community Hair Tattoo as a substitue to hair transplant

in Transplants 517 upvotes 3 years ago

A hair tattoo substitute for a hair transplant, which many people felt was not a good idea. Several treatments were suggested as alternatives, such as Scalp Micro Pigmentation (SMP) and wigs.

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